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sa1100fb.h
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sa1100fb.h
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/*
* linux/drivers/video/sa1100fb.h
* -- StrongARM 1100 LCD Controller Frame Buffer Device
*
* Copyright (C) 1999 Eric A. Thomas
* Based on acornfb.c Copyright (C) Russell King.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
#define LCCR0 0x0000 /* LCD Control Reg. 0 */
#define LCSR 0x0004 /* LCD Status Reg. */
#define DBAR1 0x0010 /* LCD DMA Base Address Reg. channel 1 */
#define DCAR1 0x0014 /* LCD DMA Current Address Reg. channel 1 */
#define DBAR2 0x0018 /* LCD DMA Base Address Reg. channel 2 */
#define DCAR2 0x001C /* LCD DMA Current Address Reg. channel 2 */
#define LCCR1 0x0020 /* LCD Control Reg. 1 */
#define LCCR2 0x0024 /* LCD Control Reg. 2 */
#define LCCR3 0x0028 /* LCD Control Reg. 3 */
/* Shadows for LCD controller registers */
struct sa1100fb_lcd_reg {
unsigned long lccr0;
unsigned long lccr1;
unsigned long lccr2;
unsigned long lccr3;
};
struct sa1100fb_info {
struct fb_info fb;
struct device *dev;
const struct sa1100fb_rgb *rgb[NR_RGB];
void __iomem *base;
/*
* These are the addresses we mapped
* the framebuffer memory region to.
*/
dma_addr_t map_dma;
u_char * map_cpu;
u_int map_size;
u_char * screen_cpu;
dma_addr_t screen_dma;
u16 * palette_cpu;
dma_addr_t palette_dma;
u_int palette_size;
dma_addr_t dbar1;
dma_addr_t dbar2;
u_int reg_lccr0;
u_int reg_lccr1;
u_int reg_lccr2;
u_int reg_lccr3;
volatile u_char state;
volatile u_char task_state;
struct mutex ctrlr_lock;
wait_queue_head_t ctrlr_wait;
struct work_struct task;
#ifdef CONFIG_CPU_FREQ
struct notifier_block freq_transition;
struct notifier_block freq_policy;
#endif
const struct sa1100fb_mach_info *inf;
};
#define TO_INF(ptr,member) container_of(ptr,struct sa1100fb_info,member)
#define SA1100_PALETTE_MODE_VAL(bpp) (((bpp) & 0x018) << 9)
/*
* These are the actions for set_ctrlr_state
*/
#define C_DISABLE (0)
#define C_ENABLE (1)
#define C_DISABLE_CLKCHANGE (2)
#define C_ENABLE_CLKCHANGE (3)
#define C_REENABLE (4)
#define C_DISABLE_PM (5)
#define C_ENABLE_PM (6)
#define C_STARTUP (7)
#define SA1100_NAME "SA1100"
/*
* Minimum X and Y resolutions
*/
#define MIN_XRES 64
#define MIN_YRES 64